1. Develop a frequency distribution of the overall mechanical quality ratings. Describe the distribution.
2. Develop a relative frequency distribution of the overall design quality ratings. Describe the distribution.
3. Construct a percentage bar chart of the overall mechanical quality ratings for each of the follow- ing: automobiles of United States origin; automobiles of Pacific Rim origin (Japan/Korea); and automobiles of European origin (Germany/Great Britain/Sweden). Compare the three distributions in a written report.